Not a sir.
And also, that is how you add a number to an existing contact... unless you mean add a number that has called/texted you to an existing contact without writing it down first.
Then you need a 3rd party app as Motorcycle Mama said.

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~Midnight Draven

"That's it then. Cancel the kitchen scraps for lepers and orphans, no more merciful beheadings... and call off Christmas."